Leontxo García Olasagasti (born February 12, 1956, in Irún, Guipúzcoa) is a Spanish lecturer, presenter, commentator and journalist specialized in chess.

Later he achieved two International Master norms and everything suggested that he would remain devoted to playing chess when he was approached, in 1983, by the Basque newspaper Deia to be the special correspondent at the Kasparov–Korchnoi and Smyslov–Ribli matches (London).

From Deia Leontxo went on to Agence France-Presse, Spanish news agency EFE and La Gaceta del Norte, a former Bilbao newspaper; later he worked for the radio network Cadena SER and, finally, for El País (in 1985 he was special correspondent for two and a half months for the second Kasparov-Karpov match, in Moscow, and now he has a daily column at this newspaper) and Radio Nacional de España (1986).

[1] He's broadcast on several occasions the chess commentaries of the most important tournaments, such as the Ciudad de Linares, Grand Slam Masters Final (Bilbao, Shanghai and São Paulo), World Championship, etc.

Since 2007 Leontxo has a regular section (Sundays at 09.20) at the popular programme No es un día cualquiera, with Pepa Fernández, at RNE Radio Nacional.